Vasiliki Vlachou and Christos Kontzinos and Ourania Markaki and Panagiotis Kokkinakos and Vagelis Karakolis and John Psarras, Leveraging Hyperledger Iroha for the Issuance and Verification of Higher-Education Certificates. journal = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2020, vol. 165(9). 755 - 763 [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10011428.